Finding the Fourth Proportional to 124,974.36, 187,226.08 and 61,720.44
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Solution
The fourth proportional to 124,974.36, 187,226.08 and 61,720.44 is: 92,464.37
Step by Step Solution
- Step 1: Write the proportion equation
124,974.36 : 187,226.08 = 61,720.44 : x - Step 2: Convert to fraction form
124,974.36/187,226.08 = 61,720.44/x - Step 3: Cross multiply
124,974.36x = 187,226.08 × 61,720.44 - Step 4: Simplify right side
124,974.36x = 11,555,676,037.08 - Step 5: Solve for x
x = 11,555,676,037.08/124,974.36 - Step 6: Final answer
x = 92,464.37
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.